fix(modal): modify the display and error issues of the mobile demo

Author: James-9696

examples/sites/demos/mobile/app/modal/is-form-reset.vue

@@ -2,7 +2,7 @@
   <div class="content">
     <tiny-button @click="value1 = !value1" :reset-time="0">点击关闭按钮时触发事件</tiny-button>
 
-    <tiny-modal v-model="value1" type="confirm" show-footer @close="closeClick" :is-form-reset="false">
+    <tiny-modal v-model="value1" type="confirm" show-footer @close="closeClick" :is-form-reset="true">
       <tiny-form :model="createData" label-width="100px">
         <tiny-form-item label="用户名" prop="username">
           <tiny-input v-model="createData.username"></tiny-input>

examples/sites/demos/mobile/app/modal/showFooter.vue

@@ -11,7 +11,7 @@ export default {
   },
   methods: {
     btnClick() {
-      TinyModal.alert({ message: '不显示底部', showFooter: false, tiny_mode: 'mobile' })
+      TinyModal.alert({ message: '不显示底部', maskClosable: true, showFooter: false, tiny_mode: 'mobile' })
     }
   }
 }

examples/sites/demos/mobile/app/modal/webdoc/modal.js

@@ -110,18 +110,6 @@ export default {
       },
       codeFiles: ['fullscreen.vue']
     },
-    {
-      demoId: 'grid',
-      name: {
-        'zh-CN': '网格',
-        'en-US': 'button type'
-      },
-      desc: {
-        'zh-CN': '<p>网格</p>',
-        'en-US': '<p>button type</p>'
-      },
-      codeFiles: ['grid.vue']
-    },
     {
       demoId: 'hide-event',
       name: {